0.5 inch glass square craft mirrors 25 Pieces Pack. Also use as mirror mosaic tiles. These craft mirror squares are Approximately 1/16 Inch Thick. These are craft mirrors, so they can come with slight imperfections. Small square mirror tiles can help turn all your arts and craft projects into something spectacular without spending a lot. We sell small mirrors bulk in all shapes and sizes. Look no further for your mini craft mirrors. Even small mirrors can make a big impact in a multitude of craft and home décor projects. We promise to take extra care in packing your orders!